1900 - He can be found with his parents in Washington County, Tennessee
1910 - Washington County, District 10, Tennessee Census
1235SALTS, Mack head 26 m1 7 yrs VA TN VA farm laborer / working out
SALTS, Anna wife 24 m1 7 yrs TN TN TN farm laborer / working out [4 births 3 still alive]
SALTS, Ralph son 6 TN TN TN
SALTS, Bessie dau 4 TN TN TN
SALTS, Ottie son 2 TN TN TN
1918 - World War I Draft Registration Card
He was living at Lundale, Logan County, West Virginia and he gave his birth as the 12th of February in 1884. His occupation was a carpenter and he gave Mrs. Anna Salts as his nearest relative. It does not indicate if it was his wife. He was of medium heigth and build with blue eyes and dark brown hair.
12321920 - I can not find them in the 1920 census
1930 - Unicoi County, District 3, Tennessee census
1233SALTS, Mack 46 Wd VA TN VA farmer
SALTS, Oatie son 21 TN VA TN farm laborer
SALTS, Glen son 16 TN VA TN farm laborer
SALTS, Marion W. son 12 TN VA TN farm laborer
SALTS, Irene dau 9 WVA VA TN
SALTS, Blane son 6 TN VA TN
SALTS, Mable dau 4 2/12 TN VA TN
SALTS, Mack Jr. son 1 7/12 TN VA TN